The market might abandon the stock, and knock down its price.

商场可能会清理库存，降低价格。

《柯林斯英汉双解大词典》

I managed to knock his price down (from 500 to 450).

我设法压低了他的价(从500元到450元)。

youdao

She couldn't sell them even at the knock-down price.

即使她把价钱压到最低，仍然没有办法把它们卖掉。

youdao

The knock-down price was in aid of charity - following a plea for help from Julien's old school, Twynyrodyn Infants.

BBC: Designer's dresses go for 50p

Mr Franzia, who anticipated the glut, cut production at his own vineyards and then stepped in to buy the excess grapes at a knock-down price.

ECONOMIST: Why a cult $2 plonk has America's wine industry in a spin

Rather than let the bank fall into foreign hands, however, the government cancelled the tender and sold it to a local Polish consortium for a knock-down price.

ECONOMIST: Polish banks